The rfi_flush and entry_flush selftests work by using the PM_LD_MISS_L1
perf event to count L1D misses. The value of this event has changed
over time:
- Power7 uses 0x400f0
- Power8 and Power9 use both 0x400f0 and 0x3e054
- Power10 uses only 0x3e054
Rather than relying on raw values, configure
Running "perf mem record" in powerpc platforms with selinux enabled
resulted in soft lockup's. Below call-trace was seen in the logs:
CPU: 58 PID: 3751 Comm: sssd_nss Not tainted 5.11.0-rc7+ #2
NIP: c0dff3d4 LR: c0dff3d0 CTR:
REGS: c07fffab7d60 TRAP: 0100
On 18/02/2021 23:59, Frederic Barrat wrote:
On 16/02/2021 04:20, Alexey Kardashevskiy wrote:
The IOMMU table is divided into pools for concurrent mappings and each
pool has a separate spinlock. When taking the ownership of an IOMMU group
to pass through a device to a VM, we lock these
On Mon, Feb 22, 2021 at 12:16:08PM +0530, Bharata B Rao wrote:
> On Wed, Feb 17, 2021 at 11:38:07AM +1100, David Gibson wrote:
> > On Mon, Feb 15, 2021 at 12:05:41PM +0530, Bharata B Rao wrote:
> > > Implement H_RPT_INVALIDATE hcall and add KVM capability
> > > KVM_CAP_PPC_RPT_INVALIDATE to
On Fri, 19 Feb 2021, Konrad Rzeszutek Wilk wrote:
> On Sun, Feb 07, 2021 at 04:56:01PM +0100, Christoph Hellwig wrote:
> > On Thu, Feb 04, 2021 at 09:40:23AM +0100, Christoph Hellwig wrote:
> > > So one thing that has been on my mind for a while: I'd really like
> > > to kill the separate dma ops
Rob Herring writes:
> On Mon, Feb 22, 2021 at 6:05 AM Michael Ellerman wrote:
>>
>> -BEGIN PGP SIGNED MESSAGE-
>> Hash: SHA256
>>
>> Hi Linus,
>>
>> Please pull powerpc updates for 5.12.
>>
>> There will be a conflict with the devicetree tree. It's OK to just take their
>> side of the
"Oliver O'Halloran" writes:
> On Tue, Feb 23, 2021 at 9:44 AM Linus Torvalds
> wrote:
>>
>> On Mon, Feb 22, 2021 at 4:06 AM Michael Ellerman wrote:
>> >
>> > Please pull powerpc updates for 5.12.
>>
>> Pulled. However:
>>
>> > mode change 100755 => 100644
>> >
Hi Stephen,
On Fri, 12 Feb 2021 15:31:42 +1100 Stephen Rothwell
wrote:
>
> Hi all,
>
> Today's linux-next merge of the spi tree got a conflict in:
>
> drivers/spi/spi-mpc52xx.c
>
> between commit:
>
> e10656114d32 ("spi: mpc52xx: Avoid using get_tbl()")
>
> from the powerpc tree and
randconfig-a001-20210222
x86_64 randconfig-a002-20210222
x86_64 randconfig-a003-20210222
x86_64 randconfig-a005-20210222
x86_64 randconfig-a006-20210222
x86_64 randconfig-a004-20210222
i386
powerpc allyesconfig
powerpc allmodconfig
powerpc allnoconfig
x86_64 randconfig-a001-20210222
x86_64 randconfig-a002-20210222
x86_64 randconfig-a003-20210222
x86_64
On Tue, Feb 23, 2021 at 9:44 AM Linus Torvalds
wrote:
>
> On Mon, Feb 22, 2021 at 4:06 AM Michael Ellerman wrote:
> >
> > Please pull powerpc updates for 5.12.
>
> Pulled. However:
>
> > mode change 100755 => 100644
> > tools/testing/selftests/powerpc/eeh/eeh-functions.sh
> > create mode
On Mon, Feb 22, 2021 at 4:06 AM Michael Ellerman wrote:
>
> Please pull powerpc updates for 5.12.
Pulled. However:
> mode change 100755 => 100644
> tools/testing/selftests/powerpc/eeh/eeh-functions.sh
> create mode 100755 tools/testing/selftests/powerpc/eeh/eeh-vf-aware.sh
> create mode
Nicholas Piggin writes:
> Move the GUEST_MODE_SKIP logic into KVM code. This is quite a KVM
> internal detail that has no real need to be in common handlers.
>
> Also add a comment explaining why this this thing exists.
this this
>
> Signed-off-by: Nicholas Piggin
Reviewed-by: Fabiano Rosas
The pull request you sent on Mon, 22 Feb 2021 23:05:37 +1100:
> https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git
> tags/powerpc-5.12-1
has been merged into torvalds/linux.git:
https://git.kernel.org/torvalds/c/b12b47249688915e987a9a2a393b522f86f6b7ab
Thank you!
--
Nicholas Piggin writes:
> Rather than add the ME bit to the MSR when the guest is entered, make
> it clear that the hypervisor does not allow the guest to clear the bit.
>
> The ME addition is kept in the code for now, but a future patch will
> warn if it's not present.
>
> Signed-off-by:
Nicholas Piggin writes:
> The code being executed in KVM_GUEST_MODE_SKIP is hypervisor code with
> MSR[IR]=0, so the faults of concern are the d-side ones caused by access
> to guest context by the hypervisor.
>
> Instruction breakpoint interrupts are not a concern here. It's unlikely
> any good
Nicholas Piggin writes:
> Cell does not support KVM.
>
> Signed-off-by: Nicholas Piggin
Reviewed-by: Fabiano Rosas
> ---
> arch/powerpc/kernel/exceptions-64s.S | 6 --
> 1 file changed, 6 deletions(-)
>
> diff --git a/arch/powerpc/kernel/exceptions-64s.S
>
On Mon, 2021-02-22 at 16:24 +1100, Alexey Kardashevskiy wrote:
>
> On 18/02/2021 06:32, Leonardo Bras wrote:
> > On Tue, 2021-02-16 at 14:33 +1100, Alexey Kardashevskiy wrote:
> > > Most platforms allocate IOMMU table structures (specifically it_map)
> > > at the boot time and when this fails -
On Mon, Feb 22, 2021 at 6:05 AM Michael Ellerman wrote:
>
> -BEGIN PGP SIGNED MESSAGE-
> Hash: SHA256
>
> Hi Linus,
>
> Please pull powerpc updates for 5.12.
>
> There will be a conflict with the devicetree tree. It's OK to just take their
> side of the conflict, we'll fix up the minor
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA256
Hi Linus,
Please pull powerpc updates for 5.12.
There will be a conflict with the devicetree tree. It's OK to just take their
side of the conflict, we'll fix up the minor behaviour change that causes in a
follow-up patch.
There's also a trivial
On 20/02/2021 14:49, Alexey Kardashevskiy wrote:
On 18/02/2021 23:59, Frederic Barrat wrote:
On 16/02/2021 04:20, Alexey Kardashevskiy wrote:
The IOMMU table is divided into pools for concurrent mappings and each
pool has a separate spinlock. When taking the ownership of an IOMMU
group
fixed the following coccicheck:
./drivers/net/ethernet/ibm/ibmveth.c:1805:51-52: WARNING opportunity for
kobj_to_dev()
Reported-by: Abaci Robot
Signed-off-by: Yang Li
---
drivers/net/ethernet/ibm/ibmveth.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git
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